Year	2015 = 100
1980	20.9795576847
1981	19.9738355786
1982	19.2957550793
1983	24.055315823
1984	21.9419788372
1985	28.1958744154
1986	28.4599199172
1987	57.8149811412
1988	52.0567876938
1989	61.7613457058
1990	77.3002039743
1991	88.8038021367
1992	74.1864271955
1993	102.0776658062
1994	155.6464423634
1995	148.2403182836
1996	194.3253913145
1997	172.0509394214
1998	189.7168840555
1999	194.3253913145
2000	169.7466857071
2001	149.7764873926
2002	140.5594727729
2003	119.8211899039
2004	152.8488255935
2005	166.7165921601
2006	180.7080203925
2007	150.9439759005
2008	150.1551530709
2009	113.8846644248
2010	117.6636404077
2011	129.0658555628
2012	106.6861760018
2013	116.3555924099
2014	130.6550225066
2015	100
2016	132.5191637023
2017	117.634453195
2018	113.3423967211
2019	102.5339109311
2020	55.458776895
2021	91.5310997464